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BAB 5 : BULATAN

Authored by Nadiah Nadiah

Mathematics

KG - 5th Grade

Used 6+ times

BAB 5 : BULATAN
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15 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

Tandakan padanan yang betul.

PQ = lilitan

AB = diameter

OC = perentas

BC = lengkok minor

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 π=207π=\frac{20}{7}  

betul

salah

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika jejari sebuah bulatan ialah 5 cm, nyatakan diameter bulatan itu.

5 cm

10 cm

15 cm

20 cm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Jika r = 14 cm dan  π=227\pi=\frac{22}{7}  , nyatakan lilitan bulatan ini.

22 cm

44 cm

66 cm

88 cm

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

Tandakan pada pernyataan yang betul.

Jejari bagi bulatan putih ialah 7 cm.

Diameter bagi bulatan biru ialah 14 cm.

Lilitan bulatan biru adalah dua kali ganda panjangnya dari bulatan putih.

Jejari bagi bulatan biru ialah 14 cm.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Jika jejari bulatan adalah 5 cm, pilih jalan kerja yang betul untuk mencari luas sektor minor.

Luas sektor2×π×5=144°360°\ \frac{Luas\ sektor}{2\times\pi\times5}=\frac{144\degree}{360\degree}

Luas sektor2×π×52=144°360°\frac{Luas\ sektor}{2\times\pi\times5^2}=\frac{144\degree}{360\degree}

Luas sektorπ×52=144°360°\frac{Luas\ sektor}{\pi\times5^2}=\frac{144\degree}{360\degree}

Luas sektorπ×10=144°360°\frac{Luas\ sektor}{\pi\times10}=\frac{144\degree}{360\degree}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Jika diameter bulatan = 10 cm dan pi=3.142, nyatakan lilitan bulatan,

3.142 cm

31.42 cm

314.2 cm

3142 cm

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